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<?php
/*--------------------------------------------------------------------------+
This file is part of eStudy.
photogallery/admin/classes/class.gallerysettings.inc.php
- Modulgruppe:  Photogallery
- Beschreibung: Galerie Einstellungen
- Autor(en):    Thomas Loreit <smg@newtron-game.com>
+---------------------------------------------------------------------------+
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or any later version.
+---------------------------------------------------------------------------+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+--------------------------------------------------------------------------*/
class GallerySettings {
    var $maxwidth;
    var $maxheight;
    var $maxfilesize;
    var $maximages;
    var $slidetime;
    
    function GallerySettings() {
        global $db;
        //einstellungen aus datenbank laden
        $dbentry = $db->get_row("SELECT * FROM photogallery_settings WHERE course_id={$_SESSION['course']}");
        if ($dbentry) {
            $this->maxwidth = $dbentry->maxwidth;
            $this->maxheight = $dbentry->maxheight;
            $this->maxfilesize = $dbentry->maxfilesize;
            $this->maximages = $dbentry->maximages;
            $this->slidetime = $dbentry->slidetime;
        } else {
            $this->maxwidth = 1024;
            $this->maxheight = 768;
            $this->maxfilesize = 2.5;
            $this->maximages = 0;
            $this->slidetime = 10;
        }
    }
    
    function secureAssign(&$localvar, &$DATA_postvar) {
        if ($DATA_postvar->IsValid()) $localvar = $DATA_postvar->data;
    }
    
    function ProcessInput() {
        if ($_SESSION['usergroup'] == ADMIN || $_SESSION['usergroup'] == DOZENT) {
            if (isset($_POST['storesettings'])) {
                $this->secureAssign($this->maxwidth, new IntegerNumberData($_POST['setting_maxwidth']));
                $this->secureAssign($this->maxheight, new IntegerNumberData($_POST['setting_maxheight']));
                $this->secureAssign($this->maxfilesize, new FloatNumberData($_POST['setting_maxfilesize']));
                $this->secureAssign($this->maximages, new IntegerNumberData($_POST['setting_maximages']));
                $this->secureAssign($this->slidetime, new IntegerNumberData($_POST['setting_slidetime']));
                $this->maxfilesize = str_replace(',', '.', $this->maxfilesize); //wieder als richtigen float speichern
                //checken ob die eingaben auch sinn machen
                if ($this->maxwidth < 1) $this->maxwidth = 1;
                if ($this->maxwidth > 4096) $this->maxwidth = 4096;
                if ($this->maxheight < 1) $this->maxheight = 1;
                if ($this->maxheight > 4096) $this->maxheight = 4096;
                if ($this->maxfilesize < 0.1) $this->maxfilesize = 0.1;
                if ($this->maxfilesize > 20.0) $this->maxfilesize = 20.0;
                if ($this->maximages < 0) $this->maximages = 0;
                if ($this->maximages > 9999) $this->maximages = 9999;
                if ($this->slidetime < 0) $this->slidetime = 0;
                if ($this->slidetime > 240) $this->slidetime = 240;
                //jetzt den ganzen shit in die DB schreiben :)
                global $db;
                $db->query("DELETE FROM photogallery_settings WHERE course_id=$_SESSION[course]"); //alten eintrag löschen
                $db->query("INSERT INTO photogallery_settings (course_id,maxwidth,maxheight,maxfilesize,maximages,slidetime) VALUES ($_SESSION[course],{$this->maxwidth},{$this->maxheight},{$this->maxfilesize},{$this->maximages},{$this->slidetime})"); //neue einstellungen eintragen
                
            }
        }
    }
    
    function ProcessForm() {
        $this->ProcessInput();
        $this->PrintForm();
    }
    
    function PrintForm() {
        $maxfilesize = str_replace('.', ',', $this->maxfilesize); //komma anstatt punkt ausgeben
        print "<form method='post' action='".PATH_TO_ROOT.SCRIPT_NAME."'>
                <table width='100%' cellspacing='2' cellpadding='3'>
        
                <tr>
                        <td class='tableCell' style='width:50%;text-align:right;'> Maximale Bildbreite</td>
                        <td class='tableCell'> <p class='pForm'><input type='text' name='setting_maxwidth' value='{$this->maxwidth}' style='width:5em'/> Pixel</p> </td>
                </tr>
                <tr>
                        <td class='tableCell' style='width:50%;text-align:right;'> Maximale Bildh&ouml;he</td>
                        <td class='tableCell'> <p class='pForm'><input type='text' name='setting_maxheight' value='{$this->maxheight}' style='width:5em'/> Pixel</p> </td>
                </tr>
                <tr>
                        <td class='tableCell' style='width:50%;text-align:right;'> Maximale Bildgröße</td>
                        <td class='tableCell'> <p class='pForm'><input type='text' name='setting_maxfilesize' value='{$maxfilesize}' style='width:5em'/> MB</p> </td>
                </tr>
                <tr>
                        <td class='tableCell' style='width:50%;text-align:right;'> Max. Anzahl Bilder pro Album</td>
                        <td class='tableCell'> <p class='pForm'><input type='text' name='setting_maximages' value='{$this->maximages}' style='width:5em'/> (0 = unbegrenzt)</p> </td>
                </tr>
                <tr>
                        <td class='tableCell' style='width:50%;text-align:right;'> Anzeigedauer eines Bildes der Slideshow</td>
                        <td class='tableCell'> <p class='pForm'><input type='text' name='setting_slidetime' value='{$this->slidetime}' style='width:5em'/> Sekunden (0 = unbegrenzt)</p> </td>
                </tr>";
        echo "<tr><td class='tableCellDark' colspan='5' style='text-align:center;'><input type='submit' name='storesettings' value='Speichern'/></td></tr>";
        echo "</table></form>";
    }
    
    function get_maxwidth() {
        return $this->maxwidth;
    }
    
    function get_maxheight() {
        return $this->maxheight;
    }
    
    function get_maxfilesize() {
        return $this->maxfilesize*1024*1024;
    }
    
    function get_maximages() {
        return $this->maximages;
    }
    
    function get_slidetime() {
        return $this->slidetime;
    }
}
$photosettings = new GallerySettings();

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